Thank God It’s Friday (1978)

Director: Robert Klane
Cast: Chick Vennera, Debra Winger, Donna Summer, Jeff Goldblum, Mark Lonow, Raymond Vitte, Terri Nunn, Valerie Landsburg

Synopsis:

It’s Friday and everyone is going to the hot new disco. The Commodores are scheduled to play if Floyd shows up with the instruments and Nicole dreams of becoming a disco star. Other characters are there to win the dance contest, or to put a little excitement into a fifth anniversary.